Alaska Climate Research Center

Alaska Climate Research Center

Alaska Climate Research Center

The Alaska State Climate Center
The Alaska State Climate Center
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Alaska Climate Research Center

The Alaska State Climate Center
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Home > Arctic Sea Ice > Arctic Sea Ice Extent: September 30, 2021

Arctic Sea Ice Extent: September 30, 2021

September 30, 2021: Over the past week the sea ice has now increased from last week by a rate of 6.64% from the level on 09/23/2021 of 4.881 M km2 to 5.228 M km2 for this week.

Plot Compiled by: Howard J. Diamond, PhD; Climate Science Program Manager at NOAA’s Air Resources Laboratory Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).Plots Compiled by: Howard J. Diamond, PhD; Climate Science Program Manager at NOAA’s Air Resources Laboratory Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).
Plots Compiled by: Howard J. Diamond, PhD; Climate Science Program Manager at NOAA’s Air Resources Laboratory Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).